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-rw-r--r--fs/nfs/internal.h31
1 files changed, 27 insertions, 4 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 3c8373f90ab..d388302c005 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -5,6 +5,7 @@
#include "nfs4_fs.h"
#include <linux/mount.h>
#include <linux/security.h>
+#include <linux/crc32.h>
#define NFS_MS_MASK (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS)
@@ -185,6 +186,8 @@ extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
int ds_addrlen, int ds_proto,
unsigned int ds_timeo,
unsigned int ds_retrans);
+extern struct rpc_clnt *nfs4_find_or_create_ds_client(struct nfs_client *,
+ struct inode *);
#ifdef CONFIG_PROC_FS
extern int __init nfs_fs_proc_init(void);
extern void nfs_fs_proc_exit(void);
@@ -267,7 +270,7 @@ extern struct rpc_procinfo nfs4_procedures[];
void nfs_close_context(struct nfs_open_context *ctx, int is_sync);
extern struct nfs_client *nfs_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
- const char *ip_addr, rpc_authflavor_t authflavour);
+ const char *ip_addr);
/* dir.c */
extern int nfs_access_cache_shrinker(struct shrinker *shrink,
@@ -355,7 +358,7 @@ extern struct dentry *nfs_get_root(struct super_block *, struct nfs_fh *,
extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *,
const char *);
-extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh);
+extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh, bool);
#endif
struct nfs_pgio_completion_ops;
@@ -430,6 +433,8 @@ void nfs_request_remove_commit_list(struct nfs_page *req,
void nfs_init_cinfo(struct nfs_commit_info *cinfo,
struct inode *inode,
struct nfs_direct_req *dreq);
+int nfs_key_timeout_notify(struct file *filp, struct inode *inode);
+bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx);
#ifdef CONFIG_MIGRATION
extern int nfs_migrate_page(struct address_space *,
@@ -451,8 +456,7 @@ extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq);
extern void __nfs4_read_done_cb(struct nfs_read_data *);
extern struct nfs_client *nfs4_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
- const char *ip_addr,
- rpc_authflavor_t authflavour);
+ const char *ip_addr);
extern int nfs40_walk_client_list(struct nfs_client *clp,
struct nfs_client **result,
struct rpc_cred *cred);
@@ -575,3 +579,22 @@ u64 nfs_timespec_to_change_attr(const struct timespec *ts)
{
return ((u64)ts->tv_sec << 30) + ts->tv_nsec;
}
+
+#ifdef CONFIG_CRC32
+/**
+ * nfs_fhandle_hash - calculate the crc32 hash for the filehandle
+ * @fh - pointer to filehandle
+ *
+ * returns a crc32 hash for the filehandle that is compatible with
+ * the one displayed by "wireshark".
+ */
+static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
+{
+ return ~crc32_le(0xFFFFFFFF, &fh->data[0], fh->size);
+}
+#else
+static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
+{
+ return 0;
+}
+#endif